pentobarbital will lower the level or result of ritonavir by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep track of.pentobarbital will decrease the level or influence of levamlodipine by impacting hepatic/intestinal enzyme CYP3A4 metabolism.pentobarbital will lessen the level or effect of atogepant by influencing hepatic/i